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- Peking UniversityCN389 papers
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4 papers · 2 filters
A Walking Dilaton Inflation
Hiroyuki Ishida, Shinya Matsuzaki
We propose an inflationary scenario based on a many-flavor hidden QCD with eight flavors, which realizes the almost scale-invariant (walking) gauge dynamics. The theory predicts tw…
Inverse Mass Hierarchy of Light Scalar Mesons Driven by Anomaly-Induced Flavor Breaking
Yoshiki Kuroda, Masayasu Harada, Shinya Matsuzaki +1
We propose a novel mechanism to reproduce the observed mass hierarchy for the scalar mesons lighter than 1 GeV (called the inverse hierarchy) regarding them as mesons made of a qua…
Big Bang Nucleosynthesis Hunts Chameleon Dark Matter
Hua Chen, Taishi Katsuragawa, Shinya Matsuzaki +1
We study the chameleon field dark matter, dubbed \textit{scalaron}, in gravity in the Big Bang Nucleosynthesis (BBN) epoch. With an -correction term required to solve…
Simultaneous explanation of and anomalies in vectorlike compositeness
Shinya Matsuzaki, Kenji Nishiwaki, Kei Yamamoto
We address the presently reported significant flavor anomalies in the and meson systems such as the CP violating Kaon decay () and lepton-flavor universality violatio…